Truck Forums - Rough idle on cold starts

Truck Forums (https://www.truckforums.com/forum/)

- New Member Area (https://www.truckforums.com/forum/new-member-area-4/)

- - Rough idle on cold starts (https://www.truckforums.com/forum/new-member-area-4/rough-idle-cold-starts-23064/)

sonnys31

05-19-2021 05:42 PM

Rough idle on cold starts

2009 GMC Sierra 1500 5.3
My truck has began to run rough on cold starts for about 30 seconds then smooths out. Any ideas?

All times are GMT -5. The time now is 05:38 AM.